1011102221011 has 16 divisors (see below), whose sum is σ = 1087815605760. Its totient is φ = 936770551200.

The previous prime is 1011102221009. The next prime is 1011102221023. The reversal of 1011102221011 is 1101222011101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1011102221011 - 2¹ = 1011102221009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011102220982 and 1011102221000.

It is not an unprimeable number, because it can be changed into a prime (1011102221411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697036 + ... + 1583686.

It is an arithmetic number, because the mean of its divisors is an integer number (67988475360).

Almost surely, 2^{1011102221011} is an apocalyptic number.

1011102221011 is a deficient number, since it is larger than the sum of its proper divisors (76713384749).

1011102221011 is a wasteful number, since it uses less digits than its factorization.

1011102221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887994.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1011102221011 its reverse (1101222011101), we get a palindrome (2112324232112).

The spelling of 1011102221011 in words is "one trillion, eleven billion, one hundred two million, two hundred twenty-one thousand, eleven".